Negative 28 divided by 7?
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Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?